On night Y/Z the Tanks allotted to troops attacking the first objective will commence to move forward at 9.30 p.m. to the Tank Start Line. They will move with full engines to a line not nearer to the Tank Start Line than 3,000 yards. From there they will continue the movement forward to the Tank Start Line, moving at a slow rate and as quietly as possible. The Tank Start Line will be approximately 1,000 yards in rear of the Infantry taped line.

Tanks will leave the Tank Start Line at such times as will allow them to catch up to the Infantry as the barrage lifts at zero plus three minutes.

3. Concealment of Engine Noise.

To conceal the noise of the engines during the advance of the Tanks, the 5th Brigade R.A.F. will arrange to have planes flying continuously over the Corps area from 9.30 p.m. until midnight on Y/Z night, and from zero minus one hour onward to zero.

4. Tanks allotted to Second Objective.

The Tanks allotted to the second objective will form up independently under the orders of the 5th Tank Brigade in consultation with G.O.'s C., 4th and 5th Australian Divisions. These Tanks will be formed up when the aeroplanes are in the air during the hours laid down in para. 3.

5. Liaison Company.

The company of the 8th Tank Battalion detailed to act in support, and to ensure liaison in the battle line at the junction of Divisions, will detail a half-company to each wave of Tanks, vide paras. 2 and 4 above.

Divisions will detail special liaison parties of Infantry to work in co-operation with this company.